Piston-ring.



GLANCE B. BJRIYVLH IIBYRN S, OF

CHICAGO, ILLIJMQIS.

Heron-nine.

' Specification of Letters Patent.

Application filed May t, 191%. serial Ito. M'tfitflt.

To all whom it may concern:

Be it known that T, CLARANGE R. BRYANT, a citizen of the United States, residing at Fort Worth, in the county of Tarrant and State ofTexas, have invented new'and useful Improvements in Piston-Rings, of which the following is a specification.

The invention relates to an improvement in packing rings, and particularly to a sectional ring, made up of independent parts which may be readily assembled or separated.

The main object of the present invention is the provision of a packing ring including inner and outer rings each divided, with the inner ring formed to receive and sustain the outer ring.

The invention in the preferred form of details will be described in the following specification, reference being hadvparticularly to the accompanying drawlngs, in which Figure 1 is a perspective the improved ring complete.

. Fig. 2 is an enlarged transverse section of same.

Fig. 3 is a perspective of the inner ring. Fig. 4 is a perspective of the outer ring. Referring particularly to the accompanying drawings, the improved packing ring comprises an inner ring 1 and an outer ring 2, both constructed of appropriate, preferably resilient, material.

he inner ring is constructed to form a channel 3 in its outer surface, the channel opening outwardly and having upper and lower edge walls 4 and 5 of approximately equal thickness. The ring as a whole is divided,the line of juncture being in parallelism with the axis of the ring. One of the meeting edges is formed with a ton e6 having its umer surface coincident wit the relatively inner edge of the w 61 m view showing Patented Apr. 3ft, Twit...

proximately one half the thickness of the I similar dimension of the ring, the other meeting edge having corresponding reversely arranged tongue 7, so that whenthe ends are brought together as in operative use, an interlocking in efi'ect is provided, as plainly seen from the drawings.

The outer ring 2 is of a size to fit within and fill the channel 3. This ring is also divided, and the meeting ends'are formed with relatively ofi'set projections adapted to interlock when the sections are brought together under compression to which they are to be subjected in operative use.

The oint between the meeting ends of the outer ring is disposed at right angles to the joint between the ends of the inner ring so that while the latter is divided throu hout that dimension of the ring in paral elism to the axis thereof, the outer ring is divided on lines at right angles. This prevents any tortional strain from inducing simultaneous separation of the meeting ends of the respective ends, so that when both rings are in position one acts in efiect as an interlock to the other.

at is claimed is 1 A packin ring including an inner and outer ring, t an exterior channel of a sue to receive the outer ring, each of the rings being divided and formed at their meeting ends with interlocking projections, the projections of one rin interfitting on lines parallel to the axis of t e ring, the projections of the other ring interfitting on lines at approximately right an les thereto.

n testimony whereof l afixmy signature in presence of two witnesses.

I CLARANCE R. BRYANT. Witnesses: w

W. R. l i N018 9 Gama. 

